<template>
  <div>
    <!-- 面包屑导航区域开始 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 面包屑导航区域结束 -->

    <!-- 卡片视图区域开始 -->
    <el-card>
        <!-- 搜索与添加区域开始 -->
        <el-row :gutter="20">
            <el-col :span="8">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                    <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="addDialogVisible=true">
                    添加用户
                </el-button>
            </el-col>
        </el-row>
        <!-- 搜索与添加区域结束 -->
        <!-- 用户列表区域开始 -->
        <el-table :data="userlist" border stripe>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="姓名" prop="username"></el-table-column>
            <el-table-column label="邮箱" prop="email"></el-table-column>
            <el-table-column label="电话" prop="mobile"></el-table-column>
            <el-table-column label="角色" prop="role_name"></el-table-column>
            <el-table-column label="状态" >
                <template slot-scope="scope">
                    <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
                    </el-switch>
                </template>
            </el-table-column>
            <el-table-column label="操作">
                <template slot-scope="scope">
                    <el-tooltip effect="dark" content="编辑" placement="top" :enterable="false">
                        <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                    </el-tooltip>
                    <el-tooltip effect="dark" content="删除" placement="top" :enterable="false">
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
                    </el-tooltip>
                     <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
                        <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                    </el-tooltip>
                </template>
            </el-table-column>
        </el-table>
        <!-- 用户列表区域结束 -->
        <!-- 分页开始 -->
         <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[1, 2, 5, 10]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
        </el-pagination>
        <!-- 分页结束 -->
    </el-card>
    <!-- 卡片视图区域结束 -->
    <!-- 添加用户的对话框开始 -->
    <el-dialog
        title="添加用户"
        :visible.sync="addDialogVisible"
        width="50%"
        @close="addDialogClosed">
        <!-- 内容主体区域 -->
       <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
            <el-form-item label="用户名" prop="username">
                <el-input v-model="addForm.username"></el-input>
            </el-form-item>
            <el-form-item label="密码" prop="password">
                <el-input v-model="addForm.password"></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="addForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机" prop="mobile">
                <el-input v-model="addForm.mobile"></el-input>
            </el-form-item>
       </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
            <el-button @click="addDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
    </el-dialog>
    <!-- 添加用户的对话框结束 -->
    <!-- 编辑用户的对话框开始 -->
    <el-dialog
    title="修改用户"
    :visible.sync="editDialogVisible"
    width="50%" @close="editDialogClosed">
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
            <el-form-item label="用户名">
                <el-input v-model="editForm.username" disabled></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="editForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机" prop="mobile">
                <el-input v-model="editForm.mobile"></el-input>
            </el-form-item>
       </el-form>
        <span slot="footer" class="dialog-footer">
            <el-button @click="editDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
    </el-dialog>
    <!-- 编辑用户的对话框结束 -->
    <!-- 分配角色的对话框开始 -->
    <el-dialog
        title="分配角色"
        :visible.sync="setRoleDialogVisible"
        width="50%"
        @close="setRoleDialogClosed">
        <div>
            <p>当前的用户：{{userInfo.username}}</p>
            <p>当前的角色：{{userInfo.role_name}}</p>
            <p>分配新角色：
                <el-select v-model="selectedRoleId" placeholder="请选择">
                    <el-option
                    v-for="item in rolesList"
                    :key="item.id"
                    :label="item.roleName"
                    :value="item.id">
                    </el-option>
                </el-select>
            </p>
        </div>
        <span slot="footer" class="dialog-footer">
            <el-button @click="setRoleDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
        </span>
        </el-dialog>
    <!-- 分配角色的对话框结束 -->
  </div>
</template>
<script>
import { log } from 'util';
export default {
    data(){
        // 验证邮箱的规则
        var checkEmail = (rule,value,cb)=>{
            // 验证邮箱的正则表达式
            const regEmail = /^[A-Za-z\d]+([-_.][A-Za-z\d]+)*@([A-Za-z\d]+[-.])+[A-Za-z\d]{2,4}$/;
            if (regEmail.test(value)) {
                // 合法邮箱
                return cb()
            }
            cb(new Error('请输入合法的邮箱'))

        }
        // 验证手机号的规则
        var checkMobile = (rule,value,cb)=>{
            // 验证手机号的正则表达式
            const regMobile = /^((13[0-9])|(17[0-1,6-8])|(15[^4,\\D])|(18[0-9]))\d{8}$/;
             if (regMobile.test(value)) {
                // 合法邮箱
                return cb()
            }
            cb(new Error('请输入合法的手机号'))
        }
        return {
            // 获取用户列表的参数对象
            queryInfo: {
                query: '',
                // 当前的页数
                pagenum: 1,
                // 当前每页显示多少条数据
                pagesize: 2
            },
            userlist: [],
            total: 0,
            // 控制添加用户对话框的显示与隐藏
            addDialogVisible:false,
            // 添加用户的表单数据
            addForm: {
                username: '',
                password: '',
                email: '',
                mobile: ''
            },
            // 添加表单的验证规则对象
            addFormRules: {
                username: [
                    {
                        required: true,
                        message: '请输入用户名',
                        trigger: 'blur'
                    },
                    {
                        min: 3,
                        max: 10,
                        message: '用户名的长度在3~10个字符之间',
                        trigger: 'blur'
                    }
                ],
                password: [
                    {
                        required: true,
                        message: '请输入密码',
                        trigger: 'blur'
                    },
                    {
                        min: 6,
                        max: 15,
                        message: '用户名的长度在6~15个字符之间',
                        trigger: 'blur'
                    }
                ],
                email: [
                    {
                        required: true,
                        message: '请输入邮箱',
                        trigger: 'blur'
                    },
                    {
                        validator:checkEmail,
                        trigger: 'blur'
                    }
                ],
                mobile: [
                    {
                        required: true,
                        message: '请输入手机号',
                        trigger: 'blur'
                    },
                    {
                        validator:checkMobile,
                        trigger: 'blur'
                    }
                ]
            },
            // 控制修改用户对话框的显示与隐藏
            editDialogVisible: false,
            // 查询到的用户信息对象
            editForm: {},
            // 修改表单的验证规则对象
            editFormRules: {
                email: [
                    {required:true,message: '请输入用户邮箱',trigger: 'blur'},
                    {validator: checkEmail,trigger: 'blur'}
                ],
                mobile: [
                    {required:true,message: '请输入用户手机号',trigger: 'blur'},
                    {validator: checkMobile,trigger: 'blur'}
                ]
            },
            // 控制分配角色对话框的显示与隐藏
            setRoleDialogVisible:false,
            // 需要被分配角色的用户信息
            userInfo:{},
            // 所有角色的数据列表
            rolesList:[],
            // 已选中的角色id值
            selectedRoleId:''
        }
    },
    created(){
        this.getUserList()
    },
    methods:{
        async getUserList() {
            const {data: res} = await this.$http.get('http://api.xiaomadagege.cn:8800/api/private/v1/users',{ params: this.queryInfo })
            if (res.meta.status !== 200) {
                return this.$message.error('获取用户列表失败！')
            }
            this.userlist = res.data.users
            this.total = res.data.total
            console.log(res)
        },
        // 监听 pagesize 改变的事件
        handleSizeChange(newSize){
            console.log(newSize)
            this.queryInfo.pagesize = newSize
            this.getUserList()
        },
        // 监听 页码值 改变的事件
        handleCurrentChange(newPage){
            console.log(newPage)
            this.queryInfo.pagenum = newPage
            this.getUserList()
        },
        // 监听 switch 开关状态的改变 
        async userStateChanged(userinfo){
            console.log(userinfo)
            const {data: res} = await this.$http.put(`http://api.xiaomadagege.cn:8800/api/private/v1/users/${userinfo.id}/state/${userinfo.mg_state}`)
            if (res.meta.status !== 200) {
                userinfo.mg_state = !userinfo.mg_state
                return this.$message.error('更新用户状态失败')
            }
            this.$message.success('更新用户状态成功')
        },
        // 监听添加用户对话框的关闭事件
        addDialogClosed(){
            this.$refs.addFormRef.resetFields()
        },
        // 点击按钮添加新用户
        addUser(){
            this.$refs.addFormRef.validate(async valid=>{
                // console.log(valid)
                if (!valid) {
                    return false
                }
                // 可以发起添加用户的网络请求
                const {data: res} = await this.$http.post('http://api.xiaomadagege.cn:8800/api/private/v1/users',this.addForm)
                if (res.meta.status !== 201) {
                    this.$message.error('添加用户失败!')
                }
                this.$message.success('添加用户成功!')
                // 隐藏添加用户的对话框
                this.addDialogVisible = false
                // 重新获取用户列表数据
                this.getUserList()
            })
        },
        // 展示编辑用户的对话框
        async showEditDialog(id){
            console.log(id);
            const {data: res} = await this.$http.get('http://api.xiaomadagege.cn:8800/api/private/v1/users/'+id)
            if (res.meta.status !== 200) {
                return this.$message.error('查询用户信息失败!')

            }
            this.editForm = res.data
            this.editDialogVisible = true
        },
        // 监听修改用户对话框的关闭事件
        editDialogClosed(){
            this.$refs.editFormRef.resetFields()
        },
        // 修改用户信息并提交
        editUserInfo(){
            this.$refs.editFormRef.validate(async valid=>{
                // console.log(valid);
                if (!valid) {
                    return false
                }
                // 发起修改用户信息的数据请求
                const {data:res} = await this.$http.put('http://api.xiaomadagege.cn:8800/api/private/v1/users/'+this.editForm.id,{
                    email: this.editForm.email,
                    mobile: this.editForm.mobile
                })
                if (res.meta.status !== 200) {
                    return this.$message.error('更新用户信息失败！')
                }
                // 关闭对话框
                this.editDialogVisible = false
                // 刷新数据列表
                this.getUserList()
                // 提示修改成功
                this.$message.success('更新用户信息成功！')
            })
        },
        // 根据Id删除对应的用户信息
        async removeUserById(id){
            console.log(id);
            // 弹窗询问用户是否删除数据
            const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err)
            // 如果用户确认删除，则返回值为字符串 confirm
            // 如果用户取消了删除，则返回值为字符串 cancel
            console.log(confirmResult);
            if (confirmResult !== 'confirm') {
                return this.$message.info('已取消删除')
            }
            // console.log('确认了删除')
            const {data:res} = await this.$http.delete('http://api.xiaomadagege.cn:8800/api/private/v1/users'+id)
            if (res.meta.status !== 200) {
                return this.$message.error('删除用户失败！');
            }
            this.$message.success('删除用户成功！')
            this.getUserList()
        },
        // 展示分配角色的对话框
        async setRole(userInfo){
            this.userInfo = userInfo

            // 在展示对话框之前，获取所有角色的列表
            const {data: res} = await this.$http.get('roles')
            if (res.meta.status !== 200) {
                return this.$message.error('获取角色列表失败！')
            }
            console.log(res,'321');
            this.rolesList = res.data
            this.setRoleDialogVisible = true
        },
        // 点击按钮，分配角色
        async saveRoleInfo(){
            if (!this.selectedRoleId) {
                return this.$message.error('请选择要分配的角色')
            } 
            const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId})
            if (res.meta.status !== 200) {
                return this.$message.error('更新角色失败！')
            }  
            this.$message.success('更新成功！')
            this.getUserList()
            this.setRoleDialogVisible = false
        },
        // 监听分配角色对话框的关闭事件
        setRoleDialogClosed(){
            this.selectedRoleId = ''
            this.userInfo = {}
        }
    }
};
</script>
<style lang="less" scoped>
</style>